RemPhos Technologies LEDSS® 37-Watt E26 Edison retrofit high power LED lamp offers 4000-Lumens light output. It has color rendering index of greater than 80. Lamp with 4000K color temperature rating radiates white light to the surrounding. This lamp features UV-protected and flame-retardant plastic, anodized aluminum construction. It has white bottom and clear lens. This energy-efficient LED lamp comes with protective heat sensor to temporarily reduce wattage. It measures 9.2-Inch x 3.7-Inch Dia. Lamp has voltage rating of 120 - 277-Volt AC. It has efficacy of 130 LPW and comes with average life of 50000 hours. This lamp withstands temperature rating of -30 to 65 deg C. It is ideal for post-top retrofit, jelly jar retrofit, street light retrofit and globe retrofit. Lamp is cULus listed, FCC certified and RoHS compliant.